Structure and Morphology of Gold Nanoparticles in Solution Studied by TEM, SAXS and UV-Vis

• Authors: M. Murawska , A. Skrzypczak , M. Kozak
• Languages of publication: EN

Abstracts

EN

Gold nanoparticles have a great number of applications, among others in material sciences, biology and medicine. A method for the synthesis of gold nanoparticles in solution with the use of gemini surfactant was proposed and the nanoparticles obtained were subjected to thorough characterisation. The method proposed is a modification of the Turkevich method, based on reduction of tetrachloroauric acid in the presence of trisodium citrate and a dicationic (gemini) surfactant - 1,1'-(1,4-butan)bis(3-dodecyloxymethylimidazolium) di-propionate. Morphology and size distribution of gold nanoparticles obtained were examined by the transmission electron microscopy (TEM), UV-Vis spectroscopy and small angle scattering of synchrotron radiation (SAXS). The plasmon resonance of the nanoparticles obtained was observed in the wavelength range corresponding to the presence of gold nanoparticles with sizes ranging from 5 to 100 nm. TEM images confirmed that the spherical shape of nanoparticles was dominated in reference solutions prepared of sodium citrate and tetrachloroauric acid. In the solutions prepared with addition of gemini surfactant, the gold nanoparticles of triangular morphology were observed.

Keywords

EN

61.05.cf; 61.46.Hk; 68.37.Lp; 33.20.Kf; 81.16.Be

Discipline

• 68.37.Lp: Transmission electron microscopy (TEM)
• 33.20.Kf: Visible spectra
• 81.16.Be: Chemical synthesis methods
• 61.46.Hk: Nanocrystals
• 61.05.cf: X-ray scattering (including small-angle scattering)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 121
• Issue: 4
• Pages: 888-892

Dates

published

2012-04

Contributors

author

M. Murawska

• Department of Macromolecular Physics, Faculty of Physics, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

author

A. Skrzypczak

• Faculty of Chemical Technology, Poznań University of Technology, Piotrowo 3, 60-965 Poznań, Poland

author

M. Kozak

• Department of Macromolecular Physics, Faculty of Physics, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

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Identifiers

DOI

10.12693/APhysPolA.121.888